树根

ān de yī zhǐ jiǎo bèi shù gēn bàn le yī xià diē dǎo le

安的一只脚被树根绊了一下跌倒了。

Ann caught her foot on a tree root and stumbled.

tā yī zhǐ jiǎo bàn zài shù gēn shang jī hū yào diē dǎo

他一只脚绊在树根上，几乎要跌倒。

He caught his foot on a tree root and stumbled.